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Chalk-browed Mockingbird

Mimus saturninus
(Lichtenstein, MHC, 1823)
Calandria Grande
Sabiá-do-campo

Family: Mimidae
Order: Passeriformes
Class: Aves
Phylum / Division: Chordata
Kingdom: Animalia

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Conservation Status according to BirdLife International: Least Concern

Description: A medium-sized and slender mockingbird with an upright posture and a clean, elongated profile. Its plumage is mostly grayish to brownish, with subtle streaking on the breast and flanks and paler underparts. The wings show a contrasting pattern of dark and light patches, especially noticeable in flight. It has a slightly curved, fine bill suitable for probing insects and fruit. The yellowish eyes give it a sharp, alert expression. Juveniles display a duller and less contrasted appearance.

Geographical distribution: It occurs widely across South America, from central and eastern Brazil through Paraguay, Bolivia, Uruguay, and much of Argentina, occupying open and semi-open landscapes. It thrives in dry regions, savannas, pampas and even suburban environments.

Habitat: Inhabits open grasslands, scrublands, forest edges, rural environments and urban areas, where it adapts readily. It is frequently observed in gardens, parks and areas with scattered shrubs, often using exposed branches, posts or human-made structures as vantage points.

Diet: Its diet is omnivorous and opportunistic, including insects, small invertebrates, fleshy fruits, seeds and occasionally human-related food items. It forages mainly on the ground, walking with confident steps and pausing to inspect leaf litter or cavities for prey.

Behavior: A highly territorial species, especially during the breeding season. Its song is strong, varied and persistent, often including imitations of other birds. It tends to be bold and active, regularly perching on elevated lookouts. In human-modified areas it may form small family groups and defend resources vigorously.

Breeding: Builds an open and bulky nest of twigs and plant fibers in shrubs, medium-height trees or artificial structures. The clutch typically contains 2 to 4 eggs. The female performs most of the incubation, while both adults defend the territory and feed the chicks until independence.

Conservation status: Classified as Least Concern (LC) globally, supported by its broad range, adaptability and stable populations. It thrives in altered landscapes and often expands into human-modified areas.


Author of this compilation: EcoRegistros – 08/12/2025




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Last published photographs

Foto
Photography ID: 594777
  Adult

Lobería
Buenos Aires
Argentina
07/12/2024
Virginia Bonifacio
Foto
Photography ID: 594753
  Adult

Melincué
Santa Fe
Argentina
08/04/2024
Virginia Bonifacio
Foto
Photography ID: 586518
  Adult

Casa Grande
Córdoba
Argentina
05/18/2024
Virginia Bonifacio
Foto
Photography ID: 586504
  Adult

Salinas Grandes
Córdoba
Argentina
05/18/2024
Virginia Bonifacio
Foto
Photography ID: 202008
  Adult

Ceibas
Entre Ríos
Argentina
04/30/2017
Virginia Bonifacio
Foto
Photography ID: 162242
  Adult

Ceibas
Entre Ríos
Argentina
07/08/2016
Virginia Bonifacio
Foto
Photography ID: 156732
  Adult

Ceibas
Entre Ríos
Argentina
07/08/2016
Virginia Bonifacio
Foto
Photography ID: 156731
  Adult

Ceibas
Entre Ríos
Argentina
07/08/2016
Virginia Bonifacio



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 Reports


 Detail of places sorted by number of records








Page 1
Record IDDateExact timeCountryProvince / departmentPlaceFilmedPhotographedRecorded vocalObservedHeardWounded or deadNumber of individualsUser or BibliographyDetail
212873404/08/2024ArgentinaSanta FeZona Rural, MelincuéVirginia Bonifacio
212875112/07/2024ArgentinaBuenos AiresCorredor Biológico Camino de los Curros, LoberíaVirginia Bonifacio
205167029/06/2024ArgentinaBuenos AiresArroyo Raggio, Vicente López4Virginia Bonifacio
204084618/05/2024ArgentinaCórdobaBalcón de Punilla, Casa GrandeVirginia Bonifacio
204083218/05/2024ArgentinaCórdobaSalinas GrandesVirginia Bonifacio
181066816/08/2023ArgentinaBuenos AiresParque Municipal Finky, Turdera12Virginia Bonifacio
177218020/05/2023ArgentinaBuenos AiresJardín Botánico A. E. Ragonese - Inta, Ituzaingó5Virginia Bonifacio
159911820/06/2022ArgentinaBuenos AiresAlbufera de Reta, Reta1Virginia Bonifacio
159907120/06/2022ArgentinaBuenos AiresParque Miedan y Arroyo del Medio, Tres Arroyos3Virginia Bonifacio
159899820/06/2022ArgentinaBuenos AiresIstilart J. B. 228, Tres Arroyos1Virginia Bonifacio
Page 1

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Citation recommended:

EcoRegistros. 2026. Chalk-browed Mockingbird (Mimus saturninus) - Species sheet. Acceded from https://www.ecoregistros.org on 09/03/2026.










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